Home / 8,163.20-11,265.52-4,626.72

Finding the Fourth Proportional to 8,163.20, 11,265.52 and 4,626.72

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Solution

The fourth proportional to 8,163.20, 11,265.52 and 4,626.72 is: 6,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.20 : 11,265.52 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    8,163.20/11,265.52 = 4,626.72/x
  3. Step 3: Cross multiply
    8,163.20x = 11,265.52 × 4,626.72
  4. Step 4: Simplify right side
    8,163.20x = 52,122,406.69
  5. Step 5: Solve for x
    x = 52,122,406.69/8,163.20
  6. Step 6: Final answer
    x = 6,385.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.